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Analysis of working fluids applicable in Enhanced Geothermal Systems: Nitrous oxide as an alternative working fluid

dc.contributor.authorOlasolo P.
dc.contributor.authorJuárez M.C.
dc.contributor.authorMorales M.P.
dc.contributor.authorOlasolo A.
dc.contributor.authorAgius M.R.
dc.date.accessioned2020-09-02T22:24:40Z
dc.date.available2020-09-02T22:24:40Z
dc.date.issued2018
dc.identifier10.1016/j.energy.2018.04.006
dc.identifier.citation157, , 150-161
dc.identifier.issn03605442
dc.identifier.urihttps://hdl.handle.net/20.500.12728/5600
dc.descriptionThis document presents a study into the working fluids that can be used at an Enhanced Geothermal System (EGS) plant as a way of making efficient, large-scale use of the enormous resources offered by geothermal energy. First, we investigate the two working fluids most used in such plants: water (H2O) and carbon dioxide (CO2). The comparative analysis brings to light the advantages of each one, making it possible to assess their beneficial properties. This leads us to establish what properties any alternative working fluid should have. Then, we analyse fluids included in the database of the Engineering Equation Solver (EES) program. This entails a study of their thermodynamic properties in the working conditions established. Based on the properties of each alternative working fluid and the results obtained from the EES, we seek to determine which working fluid has the best performance. Finally, the results obtained after the analysis leads us to conclude that single supercritical phase nitrous oxide seems to be an alternative to the two working fluids used to date. © 2018 Elsevier Ltd
dc.language.isoen
dc.publisherElsevier Ltd
dc.subjectCarbon dioxide
dc.subjectEGS
dc.subjectHDR
dc.subjectNitrous oxide
dc.subjectWater
dc.subjectWorking fluid
dc.subjectCarbon dioxide
dc.subjectGeothermal fields
dc.subjectNitrogen oxides
dc.subjectWater
dc.subjectComparative analysis
dc.subjectEngineering equation solvers
dc.subjectEnhanced geothermal systems
dc.subjectNitrous oxide
dc.subjectSupercritical phase
dc.subjectWorking fluid
dc.subjectFluids
dc.subjectcarbon dioxide
dc.subjectcomparative study
dc.subjectenergy resource
dc.subjectenhanced geothermal system
dc.subjectgeothermal energy
dc.subjectnitrous oxide
dc.subjectperforation
dc.subjectperformance assessment
dc.subjectthermodynamic property
dc.subjectworking conditions
dc.titleAnalysis of working fluids applicable in Enhanced Geothermal Systems: Nitrous oxide as an alternative working fluid
dc.typeArticle


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